Swamp Zombies concerns a doctor who creates a serum that will bring the dead back to life. After injecting some corpses with his test materials, he must unexpectedly dispose of them. When those human guinea pigs arise, they begin to… MoreSwamp Zombies concerns a doctor who creates a serum that will bring the dead back to life. After injecting some corpses with his test materials, he must unexpectedly dispose of them. When those human guinea pigs arise, they begin to terrorize everyone. Soon the doctor and a few trustworthy souls must band together to save everyone.